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Home >> Lexus >> 2020 >> LS 500 Base, AWD >> Repair and Diagnosis (Single Page) >> Electrical >> Gauges >> Meter / Gauge System - Diagnostic Codes (2 Of 2), Circuit & Symptom Tests >> Meter / Gauge System >> DTC U0100-87: Lost Communication With ECM/PCM "A" Missing Message; DTC U0103-87: Lost Communication with Gear Shift Control Module "A" Missing Message; DTC U0126-87: Lost Communication with Steering Angle Sensor Module Missing Message; DTC U0127-87: Lost Communication with Tire Pressure Monitor Module Missing Message; DTC U0129-87: Lost Communication With Brake System Control Module Missing Message; DTC U0130-87: Lost Communication with Steering Effort Control Module Missing Message; DTC U0131-87: Lost Communication With Power Steering Control Module Missing Message; DTC U0132-87: Lost Communication with Suspension Control Module "A" Missing Message; DTC U0134-87: Lost Communication with Power Steering Control Module Rear Missing Message; DTC U0142-87: Lost Communication with Body Control Module "B"; DTC U0151-87: Lost Communication with Restraints Control Module Missing Message; DTC U0163-87: Lost Communication with Navigation Control Module; DTC U0164-87: Lost Communication with HVAC Control Module Missing Message; DTC U0182-87: Lost Communication with Lighting Control Module Front Missing Message; DTC U0230-87: Lost Communication with Rear Gate Module Missing Message; DTC U0233-87: Lost Communication with Side Obstacle Detection Control Module "B" Missing Message; DTC U023A-87: Lost Communication with Image Processing Module "A"; DTC U0327-87: Software Incompatibility with Vehicle Security Control Module Missing Message; DTC U1104-87: Lost Communication with Driving Support ECU Missing Message; DTC U1110-87: Lost Communication with Intuitive Parking Assist Module Missing Message; DTC U1112-87: Lost Communication with Combination Switch Module Missing Message; DTC U1133-87: Lost Communication with PMN Module Missing Message [10/2022 - 10/2023] >> Description
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DTC U0100-87: Lost Communication With ECM/PCM "A" Missing Message; DTC U0103-87: Lost Communication with Gear Shift Control Module "A" Missing Message; DTC U0126-87: Lost Communication with Steering Angle Sensor Module Missing Message; DTC U0127-87: Lost Communication with Tire Pressure Monitor Module Missing Message; DTC U0129-87: Lost Communication With Brake System Control Module Missing Message; DTC U0130-87: Lost Communication with Steering Effort Control Module Missing Message; DTC U0131-87: Lost Communication With Power Steering Control Module Missing Message; DTC U0132-87: Lost Communication with Suspension Control Module "A" Missing Message; DTC U0134-87: Lost Communication with Power Steering Control Module Rear Missing Message; DTC U0142-87: Lost Communication with Body Control Module "B"; DTC U0151-87: Lost Communication with Restraints Control Module Missing Message; DTC U0163-87: Lost Communication with Navigation Control Module; DTC U0164-87: Lost Communication with HVAC Control Module Missing Message; DTC U0182-87: Lost Communication with Lighting Control Module Front Missing Message; DTC U0230-87: Lost Communication with Rear Gate Module Missing Message; DTC U0233-87: Lost Communication with Side Obstacle Detection Control Module "B" Missing Message; DTC U023A-87: Lost Communication with Image Processing Module "A"; DTC U0327-87: Software Incompatibility with Vehicle Security Control Module Missing Message; DTC U1104-87: Lost Communication with Driving Support ECU Missing Message; DTC U1110-87: Lost Communication with Intuitive Parking Assist Module Missing Message; DTC U1112-87: Lost Communication with Combination Switch Module Missing Message; DTC U1133-87: Lost Communication with PMN Module Missing Message [10/2022 - 10/2023]: Description

DTC No. Detection Item DTC Detection Condition Trouble Area Memory Note
U0100-87 Lost Communication With ECM/PCM "A" Missing Message Communication stop occurs between the combination meter assembly and ECM continuously for approximately 4 seconds or more.
  • ECM
  • CAN communication system
  • Combination meter assembly
 DTC stored -
U0103-87 Lost Communication with Gear Shift Control Module "A" Missing Message Communication stop occurs between the combination meter assembly and shift control ECU continuously for 5 seconds or more.
  • Shift control ECU
  • CAN communication system
  • Combination meter assembly
 DTC stored -
U0126-87 Lost Communication with Steering Angle Sensor Module Missing Message Communication stop occurs between the combination meter assembly and steering sensor continuously for approximately 4 seconds or more.
  • Steering sensor
  • CAN communication system
  • Combination meter assembly
 DTC stored -
U0127-87 Lost Communication with Tire Pressure Monitor Module Missing Message Communication stop occurs between the combination meter assembly and tire pressure warning ECU and receiver continuously for 5 seconds or more.
  • Tire pressure warning ECU and receiver
  • CAN communication system
  • Combination meter assembly
 DTC stored -
U0129-87 Lost Communication With Brake System Control Module Missing Message Either of the following conditions is met:
  • Communication stop occurs between the combination meter assembly and skid control ECU continuously for 1 second or more.
  • Communication stop occurs between the combination meter assembly and skid control ECU continuously for approximately 4 seconds or more.
  • Skid control ECU
  • CAN communication system
  • Combination meter assembly
 DTC stored -
U0130-87 Lost Communication with Steering Effort Control Module Missing Message Communication stop occurs between the combination meter assembly and front steering control ECU continuously for approximately 4 seconds or more.
  • Front steering control ECU
  • CAN communication system
  • Combination meter assembly
 DTC stored -
U0131-87 Lost Communication With Power Steering Control Module Missing Message Communication stop occurs between the combination meter assembly and rack and pinion power steering gear assembly continuously for approximately 4 seconds or more.
  • Rack and pinion power steering gear assembly
  • CAN communication system
  • Combination meter assembly
 DTC stored -
U0132-87 Lost Communication with Suspension Control Module "A" Missing Message Communication stop occurs between the combination meter assembly and absorber control ECU continuously for 10 seconds or more.
  • Absorber control ECU
  • CAN communication system
  • Combination meter assembly
 DTC stored -
U0134-87 Lost Communication with Power Steering Control Module Rear Missing Message Communication stop occurs between the combination meter assembly and rear steering control ECU continuously for approximately 4 seconds or more.
  • Rear steering control ECU
  • CAN communication system
  • Combination meter assembly
 DTC stored -
U0142-87 Lost Communication with Body Control Module "B" Communication stop occurs between the combination meter assembly and main body ECU (multiplex network body ECU) continuously for 5 seconds or more.
  • Main body ECU (multiplex network body ECU)
  • CAN communication system
  • Combination meter assembly
 DTC stored -
U0151-87 Lost Communication with Restraints Control Module Missing Message Communication stop occurs between the combination meter assembly and airbag ECU assembly continuously for 5 seconds or more.
  • Airbag ECU assembly
  • CAN communication system
  • Combination meter assembly
 DTC stored -
U0163-87 Lost Communication with Navigation Control Module Communication stop occurs between the combination meter assembly and radio receiver assembly continuously for 5 seconds or more.
  • Radio receiver assembly
  • CAN communication system
  • Combination meter assembly
 DTC stored -
U0164-87 Lost Communication with HVAC Control Module Missing Message Communication stop occurs between the combination meter assembly and air conditioning amplifier assembly continuously for 5 seconds or more.
  • Air conditioning amplifier assembly
  • CAN communication system
  • Combination meter assembly
 DTC stored -
U0182-87 Lost Communication with Lighting Control Module Front Missing Message Communication stop occurs between the combination meter assembly and headlight ECU sub-assembly LH continuously for 5 seconds or more.
  • Headlight ECU sub-assembly LH
  • CAN communication system
  • Combination meter assembly
 DTC stored -
U0230-87 Lost Communication with Rear Gate Module Missing Message
  • Communication stop occurs between the combination meter assembly and luggage closer motor assembly continuously for 5 seconds or more.(w/ Power Trunk Lid System)
  • Communication stop occurs between the combination meter assembly and multiplex network door ECU continuously for 5 seconds or more.(w/o Power Trunk Lid System)
  • Luggage closer motor assembly
  • CAN communication system
  • Combination meter assembly
 DTC stored -
U0233-87 Lost Communication with Side Obstacle Detection Control Module "B" Missing Message Communication stop occurs between the combination meter assembly and blind spot monitor sensor RH (B) continuously for 5 seconds or more.
  • Blind spot monitor sensor RH (B)
  • CAN communication system
  • Combination meter assembly
 DTC stored -
U023A-87 Lost Communication with Image Processing Module "A"
  • Communication stop occurs between the combination meter assembly and forward recognition camera continuously for 5 seconds or more.

    (for Mono Camera Type)

  • Communication stop occurs between the combination meter assembly and object recognition camera continuously for 5 seconds or more.

    (for Stereo Camera Type)
  • Forward recognition camera

    (for Mono Camera Type)

  • Object recognition camera

    (for Stereo Camera Type)

  • CAN communication system
  • Combination meter assembly
 DTC stored -
U0327-87 Software Incompatibility with Vehicle Security Control Module Missing Message Communication stop occurs between the combination meter assembly and certification ECU (smart key ECU assembly) continuously for 5 seconds or more.
  • Certification ECU (smart key ECU assembly)
  • CAN communication system
  • Combination meter assembly
 DTC stored -
U1104-87 Lost Communication with Driving Support ECU Missing Message Communication stop occurs between the combination meter assembly and driving support ECU assembly continuously for 5 seconds or more.
  • Driving support ECU assembly
  • CAN communication system
  • Combination meter assembly
 DTC stored w/ Pre-collision System (for Stereo Camera Type)
U1110-87 Lost Communication with Intuitive Parking Assist Module Missing Message Communication stop occurs between the combination meter assembly and clearance warning ECU assembly continuously for 5 seconds or more.
  • Clearance warning ECU assembly
  • CAN communication system
  • Combination meter assembly
 DTC stored -
U1112-87 Lost Communication with Combination Switch Module Missing Message Communication stop occurs between the combination meter assembly and steering sensor continuously for 10 seconds or more.
  • Steering sensor
  • CAN communication system
  • Combination meter assembly
 DTC stored -
U1133-87 Lost Communication with PMN Module Missing Message Communication stop occurs between the combination meter assembly and certification ECU (smart key ECU assembly) continuously for approximately 4 seconds or more.
  • Certification ECU (Smart key ECU assembly)
  • CAN communication system
  • Combination meter assembly
 DTC stored -
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